<style>
  svg {
    fill: var(--text-color);
  }
</style>

<svg viewBox="0 0 24 24" width="100%" height="100%">
  <path d="M3,3L21,3L21,21L3,21L3,3ZM8.023,11.974L14.983,16.535L15.017,7.465L8.023,11.974Z"/>
</svg>
